CVS commit: src/lib/libc/gen

["Christos Zoulas" <christos%netbsd.org@localhost>]

Module Name:    src
Committed By:   christos
Date:           Wed Apr 26 14:56:54 UTC 2017

Modified Files:
        src/lib/libc/gen: glob.c

Log Message:
Switch from a recursive pattern matching algorithm to handle '*'
to a backtracking one. Avoids DoS attacks with patterns "a*a*a*a*a*...b"
matching against "aaaaaaaaaaaa..." https://research.swtch.com/glob


To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/lib/libc/gen/glob.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.